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AT make loud crack/ bang/noise when going into reverse

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Old 01-31-2018, 11:51 AM
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AT make loud cracking noise when going into reverse

I changed the ATF on my 2005 RL... now the vehicle has a loud crack when I shift to reverse. Vehicle also seem like it is in neutral when the gas pedal is pushed. The Green D flashes when the vehicle is put in reverse. The vehicle then refuses to go into gear to drive or reverse.
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Old 01-31-2018, 12:11 PM
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uh oh. Green D flashing usually isnt a good sign.

Did you double check to make sure fluid is at the correct level?
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Old 01-31-2018, 12:52 PM
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broken axles is your best case scenario
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Old 01-31-2018, 01:31 PM
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Originally Posted by justnspace
uh oh. Green D flashing usually isnt a good sign.

Did you double check to make sure fluid is at the correct level?
I am going to do one more transmission fluid change. The fluids look correct but I will try once more.
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Old 01-31-2018, 02:07 PM
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Originally Posted by justnspace
uh oh. Green D flashing usually isnt a good sign.

Did you double check to make sure fluid is at the correct level?
Originally Posted by thoiboi
broken axles is your best case scenario
Took a look under the vehicle and this is where the noise is coming from. When the Veh goes from park to reverse is when it makes the loud popping noise... sounds bad like metal binding
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Old 02-01-2018, 03:07 AM
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How many miles ago did you last change the ATF fluid?
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Old 02-01-2018, 04:06 AM
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Originally Posted by jbird2212
How many miles ago did you last change the ATF fluid?
I changed it approximately 8,000 ago... come to think of it, the reason I changed it was because of hesitant acceleration... I did a 3x3 and it started driving and accelerating very smoothly. The veh has approximately 190,000 miles on it. It was running like a dream.
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Old 02-01-2018, 04:09 AM
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Originally Posted by jbird2212
How many miles ago did you last change the ATF fluid?
Originally Posted by Geonico

I changed it approximately 8,000 ago... come to think of it, the reason I changed it was because of hesitant acceleration... I did a 3x3 and it started driving and accelerating very smoothly. The veh has approximately 190,000 miles on it. It was running like a dream.
This time I checked the ATF and it was low. I drained it all out because it appeared dark and I put in 3 quarts.... It now has the loud cracking noise in reverse and sometime the transmission would not engage.
Last edited by Geonico; 02-01-2018 at 04:12 AM.
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Old 02-10-2018, 07:45 AM
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My Actron reader showed these two codes .........P0766- Shift Solenoid D performance or stuck off and P0796 pressure control solenoid C performance or stuck off.
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Old 05-27-2018, 05:50 PM
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Geonico
I am having the same problem with my Acura. Code P0796 and P0767 Loud banging noise and won't go into gear also Flashing D. What did you find out with yours?
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Old 05-27-2018, 06:18 PM
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Originally Posted by rcannon440
Geonico
I am having the same problem with my Acura. Code P0796 and P0767 Loud banging noise and won't go into gear also Flashing D. What did you find out with yours?
Transmission was bad. I sold the vehicle and bought a 14 RLX with 41,xxx miles....
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